Public bug reported:
Platform: Lenovo T450s
Desktop Environment: Cinnamon
Driver Version: 2.99.910-0ubuntu1.6
The GPU Hangs after a suspend/resume when the AC is not connected. But
this behavior is not allays the case, but in most of the cases.
[ 102.885927] [drm] stuck on render ring
[ 102.886800] [drm] GPU HANG: ecode 0:0x5fd68105, in Xorg [1553], reason: Ring
hung, action: reset
[ 102.886802] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 102.886802] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 102.886803] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 102.886803] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 102.886804] [drm] GPU crash dump saved to /sys/class/drm/card0/error
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Tags: hd550 i7-5600u i915 intel
** Attachment added: "00000 memory dumps where shortend"
https://bugs.launchpad.net/bugs/1451165/+attachment/4389970/+files/error.txt
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https://bugs.launchpad.net/bugs/1451165
Title:
GPU HANG after suspend/resume
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